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DETECTION OVERVIEW

Apache Struts 2 Exploit Attempt - CVE-2017-9805

Risk Factors

A server hosting Struts 2 is often exposed to the internet, and several remote code execution (RCE) vulnerabilities are well known. An unauthenticated attacker could gain complete control of a device and find an entry point for further attacks on your network.

Category

Exploitation
Detection diagram
Next in Exploitation: Apache Struts 2 Exploit Attempt - [Multiple CVEs]

Attack Background

Apache Struts 2 is a popular framework for Java web applications. A vulnerability in the REST plugin for Struts 2 enables an attacker to send a specially crafted HTTP POST request that results in RCE. The POST request contains malicious XML data deserialized by the XStream handler without any type restrictions. Ultimately, malicious code contained in the deserialized XML runs on the server, and the attacker can gain unlimited access to the server.

Mitigation Options

Upgrade Apache Struts to version 2.3.34, 2.5.13, or later

Install relevant patches for enterprise products that are packaged with Struts 2 from vendors such as VMware, Oracle, IBM, Huawei, HP, Cisco, Atlassian, Lenovo, and HP Enterprise

MITRE ATT&CK ID

Associated content

Announcing The Forrester Wave™: Network Analysis And Visibility Solutions, Q4 2025

Network analysis and visibility solutions remain underrepresented in enterprises. Find out why in this preview of a new Wave report.

Report

ExtraHop® Named a Leader in First-Ever Gartner® Magic Quadrant™ for Network Detection and Response — ExtraHop

ExtraHop® Named a Leader in First-Ever Gartner® Magic Quadrant™ for Network Detection and Response

News

Detections

Visit this resource for more information.

Docs

The 2025 ExtraHop Global Threat Landscape Report: The Alarming Reality of Threat Actor Dwell Time and Deeper Network Access — ExtraHop

This analysis exposes the critical link between an organization's lack of internal visibility and the escalating cost of compromise, demanding an urgent re-evaluation of how core business assets are protected.

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ExtraHop RevealX MITRE ATT&CK Coverage 2024 — ExtraHop

Learn why you need to be wary of the claims certain network detection and response providers make about their coverage against the MITRE ATT&CK framework.

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MITRE ATT&CK - Network Detection & Response with RevealX — ExtraHop

Learn how NDR from RevealX helps security teams detect and investigate more adversary TTPs in the MITRE ATT&CK framework than rule-based tools.

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